Operation optimization of propane pre-cooled mixed refrigerant LNG Process: A novel integration of knowledge-based and constrained Bayesian optimization approaches حسب Roba Shady (22048043)

"…In addition, the optimized SEC in this study is 14.5 % to 38.6 % lower than those reported in the literature. …"

Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles حسب Mariem Chamakh (14150481)

"…The samples were synthesized with different concentrations of hydrous ruthenium chloride of 2 wt%, 5 wt%, and 10 wt%, and then annealed at a temperature of 300 °C for 4 h to form the ruthenium oxide nanoparticles. …"

Effect of anions on the structural, morphological and dielectric properties of hydrothermally synthesized hydroxyapatite nanoparticles حسب Lakshmanaperumal Sundarabharathi (14152482)

"…For the particles obtained from nitrate, acetate, chloride and egg shell precursors respectively give dielectric constant (εʹ) values of 9.96, 13.22, 9.92 and 10.86 at 5 MHz. The εʹ and dielectric loss (εʹʹ) values for the HA nanoparticles decrease with increase in the applied frequency as well. …"

Characterizing the dynamics of climate and native desert plants in Qatar حسب Meshal Abdullah (17746950)

"…However, the probability of rainfall events over 80 mm was less than 5%, while low rainfall seasons (1–17 mm) were more likely (90–99% chance). …"

High-Performance Acetic Acid Sensing Using Cerium-MoS₂ Composite for Beverages and Food Processing Industry حسب E. Safamariyam (22330186)

"…Furthermore, the repeatability of the Ce_0.6 -MoS₂ sensor was assessed over 30 days, and a marginal decrease of 5% in response was observed from day 1 to day 30.…"

Hydrogen energy systems: Technologies, trends, and future prospects حسب Abdellatif M. Sadeq (16931841)

"…Adoption at scale could decrease global <i>CO</i>_<em>2</em>emissions by up to 830 million tonnes annually. …"

A Machine Learning Approach on Chest X-Rays for Pediatric Pneumonia Detection حسب Barakat, Natali Imad

احصل على النص الكامل

Energy Efficient Refurbishment for Existing Office Building in UAE حسب Kalkura, Subraya

"…Upon preliminary screening a B+G+5 storey office building built in mid nineties was chosen as base building for the study. …"
احصل على النص الكامل

The Triple “S” Impact of COVID-19: Nationwide Evidence of the Impact of the Stress Associated With Restrictive Measures on Substance Use, Sleep, and Social Connectedness in Qatar... حسب Muna Abed Alah (18171346)

"…Of tobacco users in our sample, 36% reported increased tobacco use since the start of home confinement, while 41.6% of alcohol users reported decreased alcohol use. Concerning sleep, 46.1% reported an increase in average sleep duration per day (0.77 h mean increase, 95% CI: 0.66-0.88, P<0.001), and a third of participants reported poorer sleep quality. …"

A customised fetal growth and birthweight standard for Qatar: a population-based cohort study حسب Thomas Farrell (3933833)

"…Constitutional coefficients significantly affecting birthweight were gestational age, height, weight, and parity. The main pathological factors were preexisting diabetes (increase by +175.7 g) and smoking (decrease by −190.9 g). …"

Influenza prevalence and vaccine efficacy among diabetic patients in Qatar حسب Swapna, Thomas

"…Among the typed IVA-positive cases, 33.4% were H1N1, and 7.7% were H3N2. A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Student perceptions towards interprofessional education حسب Zeeni, Nadine

"…The Lebanese American University Interprofessional Education (LAU IPE) Steps Framework consists of a five-step workshop-based series that is offered throughout the curriculum of health and social care students at an American university in Lebanon. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

The effect of soft background music, Mozart music, on the three levels of students' engagement. (c2016) حسب Al Bizri, Dima Bashir

"…The ABAB design was used to examine the effect of Mozart music on engagement. The following five instruments were used: SESQ-ENG, TERF-N, semi-structured interviews with the teachers, focus group interviews with the students, and observations. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Wales’ tourists not a burden for local healthcare حسب Nature Research (16552612)

"…<p>Researchers in southern Wales reviewed nine-years-worth of hospital data and found non-Welsh residents accounted for only 0.5% of unintentional injuries presenting to an emergency department.…"

Effect of speed and gradient on plantar force when running on an AlterG® treadmill حسب Athol Thomson (6651008)

"…Gradient made little difference except for a downhill grade of − 5% decreasing force peaks as compared to level or uphill running.…"

Quantitative Compressibility Effects in Thermal Elastohydrodynamic Circular Contacts حسب Habchi, W.

"…The results reconfirm the well-known observations that minimum film thickness is very little affected by lubricant compressibility while central film thickness decreases linearly with the increase in volume compression of the lubricant. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows حسب Tohid Adibi (17871551)

"…The results indicate that the transmission loss is 27% more at the elastic plate’s highest position. By decreasing the length of the elastic plate by 50%, the mean transmission loss is reduced by 9%. …"

Initial risk assessment for pulmonary hypertension in patients with COPD حسب Yammine, Joe

"…In multivariate analysis, statistically significant independent variables were >3% decrease in exercise oxyhemoglobin saturation and decline in prebronchodilator FEV1 (P = 0.01 and P = 0.04, respectively). …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Role of family in supporting children with mental disorders in Qatar حسب Abdulnaser A. Fakhrou (16855155)

"…There are certain behaviors of family members that can increase or decrease stress for the person. The results suggest that the family plays an essential role in supporting and promoting the lives of people with mental disorders and recommending effective ways to cope with them.…"

The role of objectively recorded smartphone usage and personality traits in sleep quality حسب Aftab Alam (5158601)

"…</p><h3>Method</h3><p dir="ltr">The sample comprised 269 participants, 55% females, within the age range of 15–64 years. We objectively collected one-week smartphone apps usage data from the participants. …"